For this trophies you will need two PS Move Controllers.
From the Main menu select Dance, 2 Players and Select Challenge and pick any song. For better and faster results, select the shortest song which is Look At Me, I’m Sandra Dee (1:36).
The objective is to win challenges against the second player across the song. Every challenge you win you will gain a rosette, so for this trophy, you need to win 10 challenges. A couple of songs will be enough.
This challenges are easy to beat such as stay Frozen or Perform some specific move.
The best strategy is to play straight with the main controller and be idle with the second; the only exception is when the challenge says to be “Frozen”. Here you need to do the opposite. This means stay idle with your main controller and move with the second one.
The challenge will prompt with a “?” mark in the side of the screen and they are 5-6 different ones, so you shouldn’t have any trouble doing this strategy.